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From Apache Wiki <wikidi...@apache.org>
Subject [Httpd Wiki] Update of "RewriteMisc" by RichBowen
Date Fri, 15 Jan 2010 14:36:55 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Httpd Wiki" for change notification.

The "RewriteMisc" page has been changed by RichBowen.
http://wiki.apache.org/httpd/RewriteMisc?action=diff&rev1=3&rev2=4

--------------------------------------------------

  
  The LA-U syntax does a look-ahead to find out what the value of a particular variable will
be later on. This requires a sub-request, and that results in something of a performance hit.
Consider using the ScriptLog directive instead. However, the technique used here can be used
for a larger class of problems, when a variable isn't available at request time, but will
be later on.
  
- }}}
- 

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